. >> reporter: forget about the space rocks that have the folks in russia scrambling after last week's dramatic meteor crash. the most sought-after rocks are not from the heavens. but from a heist. >> i need you to suit up. >> reporter: it sounds like a scene ripped straight from a hollywood heist movie. >> good plan. how did you figure it out? >> reporter: overnight, eight masked and armed men, breaking on to the tarmac at brussels airport, ambushing this swiss plane, just loaded with tens of millions of dollars worth of diamonds. according to belgian tv reports, the brazen thieves cut a hole through this security fence and drove on to the tarmac, making off with more than $50 million worth of rough diamonds in just a matter of minutes. officials are now saying this could be one of the biggest diamond heists of all-time. back in november, these bold leather-clad burglars road motorcycles into this london mall, a stunning smash and grab caught on camera. >> it's really scary. we have some young girls that work for us. >> reporter: the six robbers made off with hundreds in thousands in